Filed under: FAQ by Jeff Servaas |
Eneloop and IMEDION rechargeable batteries have a very slow discharge rate. This means they are more likely to have some power left in them when you recharge them.
If you are use a timer battery charger (also known as a trickle charger) to recharge Eneloop or Imedion batteries, you need to completely discharge them first. If the Eneloop/Imedion batteries are only partly discharged, and you use a timer charger to recharge them, the timer charger doesn’t know they aren’t empty. It always assumes the batteries are empty, and the battery charger will charge the batteries for the set amount of time. This will give the batteries more charge than they need. This overcharging will heat the batteries and will reduce the number of recharge cycles you will get from the batteries during their lifetime.
To overcome this problem, use a Maha Powerex battery charger, and you can recharge Eneloops or Imedions without running them flat first. The Powerex battery chargers measure the delta voltage (change in voltage) of the batteries as they recharge, and as batteries reach full, the voltage chage stops, or goes into a slight negative Delta V, and will stop charging the batteries, ensuring maximum performance from each recharge. Also, by only charging the batteries until they are full, the batteries are not overheated, which maximises the life expectancy of your Eneloop or Imedion batteries.
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